Home / 3,474.78-4,792.68-2,214.72

Finding the Fourth Proportional to 3,474.78, 4,792.68 and 2,214.72

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Solution

The fourth proportional to 3,474.78, 4,792.68 and 2,214.72 is: 3,054.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,474.78 : 4,792.68 = 2,214.72 : x
  2. Step 2: Convert to fraction form
    3,474.78/4,792.68 = 2,214.72/x
  3. Step 3: Cross multiply
    3,474.78x = 4,792.68 × 2,214.72
  4. Step 4: Simplify right side
    3,474.78x = 10,614,444.25
  5. Step 5: Solve for x
    x = 10,614,444.25/3,474.78
  6. Step 6: Final answer
    x = 3,054.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.